TBTflow / F&O data / Options / COALINDIA options
COALINDIA options · NSE · end of day

COALINDIA option chain today, 23 Oct 2026: max pain 405, PCR 0.37, call wall 430, put wall 415

As of Friday 23 October 2026, from the exchange's official end-of-day F&O file.

Next COALINDIA expiry: Tuesday 27 October 2026; the one after: Monday 23 November 2026. From the exchange's F&O contract list.

COALINDIA closed at 397.45. For the 27 October 2026 expiry the biggest call open interest is at 430 and the biggest put open interest at 415; put-call ratio 0.37, max pain 405.

Biggest call OI
430
49.5 L
Biggest put OI
415
13.3 L
PCR (open interest)
0.37
puts ÷ calls, whole chain
Max pain
405
close 397.45
COALINDIA open interest by strike, expiry 27 OctAs of 23 October 2026
Puts (left)Calls (right)Thin mark = previous day's open interest
26 strikes around the at-the-money strike (395, the strike nearest the close). The line across marks the underlying close, 397.45. The biggest put and call bars shown carry their value. Tap or hover a strike to read it.

The at-the-money straddle (395 call + put) settled at 5.80: on 23 October 2026 the options were priced for a move of about ±₹5.80 (±1.46 %) by the 27 October 2026 expiry. That is what the options cost, not a forecast.

Settle prices around the money

Settle price = the exchange's official end-of-day price of each option. OI = open interest, the number of option units still open; change = since the previous day.

Call settle
OI · change
StrikePut settle
OI · change
26.85
OI 33.8K · −17.6K
3700.10
OI 89.1K · −4.0K
22.71
OI 1.4K · 0
3750.15
OI 35.1K · 0
17.80
OI 39.1K · +14.8K
3800.30
OI 4.7 L · −1.5 L
13.10
OI 4.0K · 0
3850.55
OI 2.9 L · +59.4K
7.65
OI 1.8 L · +1.0 L
3900.95
OI 5.5 L · −2.7 L
3.75
OI 12.3 L · +10.4 L
395
at the money
2.05
OI 9.3 L · −1.9 L
1.80
OI 30.8 L · +1.7 L
4004.95
OI 11.4 L · −4.9 L
0.60
OI 33.6 L · −13.5K
4058.70
OI 9.8 L · −5.1 L
0.40
OI 16.5 L · −7.2 L
41013.70
OI 7.6 L · −1.5 L
0.20
OI 12.2 L · −2.5 L
41518.45
OI 13.3 L · −1.1 L
0.15
OI 38.2 L · −3.5 L
42023.35
OI 10.1 L · −1.3 L

Biggest open interest added

  • 395 call: +10.4 L
  • 400 call: +1.7 L
  • 390 call: +1.0 L
  • 385 put: +59.4K
  • 380 call: +14.8K

Biggest open interest cut

  • 430 call: −13.9 L
  • 410 call: −7.2 L
  • 405 put: −5.1 L
  • 400 put: −4.9 L
  • 420 call: −3.5 L
Biggest call OI
400
17.9 L
Biggest put OI
380
13.6 L
PCR (open interest)
0.93
puts ÷ calls, whole chain
Max pain
405
close 397.45
COALINDIA open interest by strike, expiry 23 NovAs of 23 October 2026
Puts (left)Calls (right)Thin mark = previous day's open interest
25 strikes around the at-the-money strike (395, the strike nearest the close). The line across marks the underlying close, 397.45. The biggest put and call bars shown carry their value. Tap or hover a strike to read it.

The at-the-money straddle (395 call + put) settled at 22.80: on 23 October 2026 the options were priced for a move of about ±₹22.80 (±5.74 %) by the 23 November 2026 expiry. That is what the options cost, not a forecast.

Settle prices around the money

Settle price = the exchange's official end-of-day price of each option. OI = open interest, the number of option units still open; change = since the previous day.

Call settle
OI · change
StrikePut settle
OI · change
30.96
OI 0 · 0
3702.65
OI 1.3 L · −2.7K
26.78
OI 0 · 0
3753.45
OI 1.7 L · +43.2K
23.60
OI 17.6K · +4.0K
3804.60
OI 13.6 L · +6.0 L
20.00
OI 31.1K · +25.6K
3855.75
OI 1.9 L · +71.5K
16.55
OI 1.2 L · +71.5K
3907.30
OI 5.5 L · +1.3 L
13.65
OI 2.8 L · +2.2 L
395
at the money
9.15
OI 2.8 L · +1.3 L
10.95
OI 17.9 L · +14.4 L
40011.50
OI 12.1 L · +5.3 L
8.70
OI 2.2 L · +1.2 L
40514.00
OI 1.6 L · +1.0 L
6.85
OI 13.6 L · +83.7K
41017.15
OI 2.6 L · +32.4K
5.30
OI 1.4 L · −8.1K
41520.80
OI 1.0 L · +12.2K
4.15
OI 8.4 L · +3.3 L
42024.30
OI 1.9 L · +24.3K

Biggest open interest added

  • 400 call: +14.4 L
  • 380 put: +6.0 L
  • 400 put: +5.3 L
  • 420 call: +3.3 L
  • 450 put: +3.1 L

Biggest open interest cut

  • 365 put: −9.4K
  • 415 call: −8.1K
  • 480 call: −6.8K
  • 450 call: −4.0K
  • 370 put: −2.7K

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The last sessions

COALINDIA: biggest call and put open-interest strikes vs the close, last 15 sessionsAs of 23 October 2026
Biggest call OI strikeCloseBiggest put OI strike
Each session's nearest expiry. The strikes with the most open interest are often called walls.
COALINDIA: max pain vs the close, last 15 sessionsAs of 23 October 2026
Max painClose
Max pain = the strike where option holders, all together, would collect the least at expiry.
COALINDIA: put-call ratio of open interest, last 15 sessionsAs of 23 October 2026
Put open interest ÷ call open interest, nearest expiry. The line at 1.0 = equal.

COALINDIA futures: open interest, rollover and build-up →

What this page cannot tell you. Open interest shows where positions are open, not who holds them or which side opened them. Walls and max pain often move as expiry nears.

Quick questions

Where is the biggest open interest in COALINDIA options today?
On 23 October 2026, for the 27 October 2026 expiry, the biggest call open interest was at 430 and the biggest put open interest at 415, with COALINDIA at 397.45.
What is the COALINDIA PCR and max pain today?
Put-call ratio of open interest 0.37; max pain 405 (expiry 27 October 2026, as of 23 October 2026).
What does the straddle price say?
The at-the-money straddle settled at 5.80, so the options were priced for a move of about ±1.46 % by expiry. It is the market price of the options, not a forecast.
COALINDIA option chain mein sabse zyada OI kahan hai?
23 October 2026 ko 430 par sabse zyada call OI aur 415 par sabse zyada put OI tha. Yeh exchange ki official day-end file se hai.

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